Chemical sciences topic list of research papers
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A preliminary list of bee genera in the Kingdom of Saudi Arabia (Hymenoptera: Apoidea)
Abstract A brief overview of those bee genera and subgenera occurring in the Kingdom of Saudi Arabia is provided. In total 22 genera are currently documented in the literature for the country, although a further 17 genera undoubtedly occur here...
2012 / Michael S. Engel, Abdulaziz S. Alqarni, Mohammed A. Hannan -
A facile microwave assisted one pot synthesis of novel xanthene derivatives as potential anti-inflammatory and analgesic agents
Abstract Microwave assisted irradiation of resorcinol and substituted aryl aldehydes using sulfamic acid as catalyst afforded novel 9-aryl-9H-xanthene-3,6-diol derivatives (1a–f) in good yields. The newly synthesized compounds which were previously...
2011 / Anupam G. Banerjee, Lata P. Kothapalli, Piyoosh A. Sharma, Asha B. Thomas, Rabindra K. Nanda, et al. -
Synthesis, spectral characterization thermal stability, antimicrobial studies and biodegradation of starch–thiourea based biodegradable polymeric ligand and its coordination complexes with [Mn(II), Co(II), Ni(II), Cu(II), and Zn(II)] metals
Abstract A biodegradable polymer was synthesized by the modification reaction of polymeric starch with thiourea which is further modified by transition metals, Mn(II), Co(II), Ni(II), Cu(II) and Zn(II). All the polymeric compounds were characterized ...
2012 / Nahid Nishat, Ashraf Malik -
Effect of soy sauce on lipid oxidation of irradiated pork patties
Abstract This study was conducted to find out the antioxidant effect of the soy sauce on lipid oxidation of electron beam irradiated pork patties. The pork patties prepared with sodium chloride or soy sauce solution at identical salt concentrations...
2013 / Hyun-Wook Kim, Ko-Eun Hwang, Yun-Sang Choi, Ji-Hun Choi, Mi-Ai Lee, et al. -
Solution equilibrium of metal ions-binary complexes with 3-(2-ethylamino)-1-hydroxyethyl] phenol (Effortil)
Abstract Formation of binary complexes of Al(III), Cr(III), Fe(III), Th(IV), UO2(II), Ce(III), La(III), and Gd(III) with 3-(2-ethylamino)-1-hydroxyethyl] phenol (Effortil) were studied potentiometrically at 37.0°C and I ...
2013 / Mohamed Magdy Khalil, Rehab Khaled Mahmoud -
Phytochemical screening and antimicrobial activity of Picrorrhiza kurroa, an Indian traditional plant used to treat chronic diarrhea
Abstract Phytochemical screening of the rhizomes of Picrorrhiza kurroa Benth revealed the presence of some bioactive components, which have been linked to antimicrobial properties. Various chemical tests and TLC studies showed the presence of...
2012 / Deepti Rathee, Permender Rathee, Sushila Rathee, Dharmender Rathee -
Selective potentiometric method for determination of flucloxacillin antibiotic
Abstract A new and rapid potentiometric method for determination of flucloxacillin is developed. The method involves development of a flucloxacillin sensor with a membrane consisting of Aliquat 336S-flucloxacillin as an electroactive material in...
2013 / Amr L. Saber, Mohmed A. Elmosallamy, Hamada M. Killa, Mohmed M. Ghoneim -
1,7-Sigmatropic rearrangement in 1,2-dihydro and 1,2,3,4-tetrahydroquinoline synthesis using marine sponge/H2C2O4 as a catalyst
Abstract Marine sponge/oxalic acid was found to be an efficient catalyst for the imino Diels–Alder reaction of synthesized N-aryl-substituted aldimines and various alkenes to provide 1,2-dihyro and 1,2,3,4-tetrahydro-quinolines using 1,7-sigmatropic ...
2012 / Mohammad Reza Shushizadeh, Azar Mostoufi, Abdol-azim Behfar, Minoo Heidary -
Direct esterification of olive-pomace oil using mesoporous silica supported sulfonic acids
Abstract Mesoporous silica MCM-41 and SBA-15 containing propyl sulfonic acid groups were synthesized according to the literature and were characterized by X-ray diffraction, N2 adsorption and the H+ exchange capacities of the sulfonic acid groups...
2012 / F. Alrouh, A. Karam, A. Alshaghel, S. El-Kadri -
Genetic characterization of Escherichia coli RecN protein as a member of SMC family of proteins
Abstract The proteins of SMC family are characterized by having Walker A and B sites. The Escherichia coli RecN protein is a prokaryotic member of SMC family that involved in the induced excision of Tn10 and the repair of the DNA double strand...
2011 / M.M. Youssef, M.A. Al-Omair, S.M. Picksley -
PP244—Therapeutic and supra-therapeutic intravenous doses of mavoglurant (AFQ056) do not prolong the QTc interval in healthy subjects2013 / M. Ufer, A. Tisserant, A. Dodman, E. Voltz, A. Salunke, et al.
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Passivity characteristics on Ni(Cr)(Fe)SiB glassy alloys in phosphate solution
Abstract Passivity characteristics of three nickel-metalloids glassy alloys (Ni92.3Si4.5B32, Ni82.3Cr7Fe3Si4.5B3.2 and Ni75.5Cr13Fe4.2Si4.5B2.8) and the immersion time effect on the corrosion resistance were carried out by AC and DC electrochemical...
2011 / Sanaa T. Arab, Khadijah M. Emran, Hamad A. Al-Turaif -
Enantioselective binding of chiral 1,14-dimethyl[5]helicene–spermine ligands with B- and Z-DNA
Abstract Duplex DNA adopts a right-handed B-DNA conformation under physiological conditions. Z-DNA, meanwhile, has a left-handed helical structure and is in equilibrium with right-handed B-DNA. We recently reported that the bisnaphthyl...
2013 / Genichiro Tsuji, Kyoko Kawakami, Shigeki Sasaki -
Simple detection of phosphoproteins in SDS-PAGE by quercetin
Abstract A novel fluorescence-based staining method was developed for phosphoprotein analysis in sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Similar to the mechanism of immobilized metal ion affinity chromatography (IMAC),...
2014 / Xi Wang, Maowei Ni, Chao Niu, Xinliang Zhu, Ting Zhao, et al. -
Laser Induced Nanoablation of Diamond Materials
Abstract Possibility of ultra-precise laser induced ablative etching of diamond materials was investigated. Different types of lasers were used. Natural sigle crystal diamond, poly and nanocrystalline CVD diamond, amorphous diamond-like films were...
2011 / M.S. Komlenok, V.V. Kononenko, V.G. Ralchenko, S.M. Pimenov, V.I. Konov -
Pre-combustion CO2 capture for IGCC plants by an adsorption process
Abstract A promising approach to provide in the near future electricity from fossil fuels, for the worldwide increasing energy requirements with near-zero CO2 emissions is the IGCC (Integrated Gasification Combined Cycle) technology with...
2009 / Johanna Schell, Nathalie Casas, Marco Mazzotti -
Artificial receptor layers for detecting chemical and biological threats
Abstract When detecting chemical and biological agents in air, the main challenges are selectivity, sensitivity and ruggedness/long-term stability. To the best of our knowledge, we herein report the first fully artificial, selective recognition...
2010 / Peter A. Lieberzeit, Anna Findeisen, Judith Mähner, Renata Samardzic, J. Pitkänen, et al. -
Studies on Synthesis and Spectral Characterization of Some Transition Metal Complexes of Azo-Azomethine Derivative of Diaminomaleonitrile2013 / C. Anitha, C. D. Sheela, P. Tharmaraj, R. Shanmugakala
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Synthesis and Antimicrobial Activity of Some [1,2,4]-Triazole Derivatives2012 / Bhimagouda S. Patil, G. Krishnamurthy, N. D. Shashikumar, M. R. Lokesh, H. S. Bhojya Naik
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Investigation on Dynamic Calibration for an Optical-Fiber Solids Concentration Probe in Gas-Solid Two-Phase Flows2013 / Guiling Xu, Cai Liang, Xiaoping Chen, Daoyin Liu, Pan Xu, et al.